Jan Willem Klop is a professor of applied logic at Vrije Universiteit in Amsterdam, born in 1945. He earned his Ph.D. in mathematical logic from Utrecht University. Klop is recognized for his contributions to the algebra of communicating processes, and he co-authored TeReSe. He introduced a notable fixed point combinator, represented as Yk using a recursive definition. In 2003, he was inducted into the Royal Netherlands Academy of Arts and Sciences, acknowledging his significant impact in the field of logic.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 195 days away.
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Jan
Read Full Jan Name AnalysisDecember 19, 1945 Facts
Generation Group
Jan Willem Klop belongs to the Silent Generation group.
Place of Birth: Gorinchem
Educated At: Utrecht University
Occupation: computer scientist
Employers: Free University of Amsterdam
Awards Received: Member of the Royal Netherlands Academy of Arts and Sciences | 2003
Astrology Analysis
Note: This birth chart is calculated using the date and place of birth, with the time set to noon (12:00 PM) local time. While this provides accurate planetary positions for most celestial bodies, the Ascendant (Rising Sign) and house cusps are not calculated since they require precise birth time. For a complete astrological analysis including houses and rising sign, please provide the exact birth time.Ephemeris for December 19, 1945
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on December 19, 2025 | Secondary Progressions for December 19, 2025 |
|---|---|---|---|
| Sun | 27 Sagittarius 27 | 28 Sagittarius 2 | 18 Pisces 32 |
| Moon | 5 Cancer 50 | 24 Sagittarius 4 | 8 Gemini 11 |
| Mercury | 7 Sagittarius 19 | 10 Sagittarius 26 | 6 Aries 42 |
| Venus | 16 Sagittarius 57 | 23 Sagittarius 44 | 27 Pisces 20 |
| Mars | 1 Leo 43 | 3 Capricorn 19 | 15 Cancer 32 |
| Jupiter | 23 Libra 3 | 22 Cancer 52 | 26 Libra 7 |
| Saturn | 23 Cancer 43 | 25 Pisces 29 | 18 Cancer 29 |
| Uranus | 14 Gemini 55 | 28 Taurus 20 | 13 Gemini 33 |
| Neptune | 8 Libra 30 | 29 Pisces 23 | 7 Libra 46 |
| Pluto | 11 Leo 30 | 2 Aquarius 21 | 9 Leo 49 |
| Rahu | 0 Cancer 7 | 12 Pisces 49 | 25 Gemini 53 |
| Ketu | 0 Capricorn 7 | 12 Virgo 49 | 25 Sagittarius 53 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
Astrology Transits Analysis for Year 2026
Jan Willem Klop's 2026 Transits to Natal Planets
- Saturn square Sun
Exact: 31 January, 2026 - Saturn square Ketu
Exact: 20 February, 2026 - Mars aspects Jupiter
Exact: 01 April, 2026 - Mars square Saturn
Exact: 11 May, 2026 - Mars square Mars
Exact: 21 May, 2026 - Jupiter conjunction Saturn
Exact: 31 May, 2026 - Mars aspects Venus
Exact: 10 June, 2026 - Mars aspects Ketu
Exact: 30 June, 2026 - Mars opposition Mercury
Exact: 10 July, 2026 - Jupiter conjunction Mars
Exact: 10 July, 2026 - Mars conjunction Moon
Exact: 19 August, 2026 - Mars conjunction Saturn
Exact: 18 September, 2026 - Mars square Jupiter
Exact: 18 September, 2026 - Jupiter trine Venus
Exact: 18 September, 2026 - Mars square Mercury
Exact: 17 December, 2026
